Home / 658,600.46-908,867.31-356,795.18

Finding the Fourth Proportional to 658,600.46, 908,867.31 and 356,795.18

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Solution

The fourth proportional to 658,600.46, 908,867.31 and 356,795.18 is: 492,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,600.46 : 908,867.31 = 356,795.18 : x
  2. Step 2: Convert to fraction form
    658,600.46/908,867.31 = 356,795.18/x
  3. Step 3: Cross multiply
    658,600.46x = 908,867.31 × 356,795.18
  4. Step 4: Simplify right side
    658,600.46x = 324,279,475,467.57
  5. Step 5: Solve for x
    x = 324,279,475,467.57/658,600.46
  6. Step 6: Final answer
    x = 492,376.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.